apply_filters( 'page_rewrite_rules', string[] $page_rewrite )

1399		 * Filters rewrite rules used for "page" post type archives.1400		 *1401		 * @since 1.5.01402		 *1403		 * @param string[] $page_rewrite Array of rewrite rules for the "page" post type, keyed by their regex pattern.1404		 */1405		$page_rewrite = apply_filters( 'page_rewrite_rules', $page_rewrite );1406 1407		// Extra permastructs.1408		foreach ( $this->extra_permastructs as $permastructname => $struct ) {1409			if ( is_array( $struct ) ) {1410				if ( count( $struct ) === 2 ) {1411					$rules = $this->generate_rewrite_rules( $struct[0], $struct[1] );